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This article is about something that was for a period of time or is no longer in Club Penguin.
The Mountain Expedition was a party in Club Penguin. It began on August 12, 2010 and ended on August 19, 2010.
- This was the first and only Mountain Expedition in Club Penguin.
- A similar event took place in August 2011, with some of the rooms and music from the Mountain Expedition.
- It was originally supposed to end on August 18, but ended on the 19th instead.